Granted Patent
Utility
US 6,734,304 · App. 10/221,889
Method for producing asymmetrical 4,6-bis(aryloxy)pyrimidine derivatives
Inventors:
Holger Weintritt, Uwe Stelzer, Herbert Gayer, Walter Hubsch
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Sep 17, 2002
Inventors
Holger Weintritt
Uwe Stelzer
Herbert Gayer
Walter Hubsch
Assignee (at issue)
Bayer Aktiengesellschaft
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.